committed bugfix from Michael Bruck
git-svn-id: svn://svn.berlios.de/openocd/trunk@340 b42882b7-edfa-0310-969c-e2dbd0fdcd60__archive__
oharboe
parent
bcb0124b15
commit
4edcbe0a54
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@ -1,450 +1,450 @@
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/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "server.h"
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#include "log.h"
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#include "telnet_server.h"
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#include "target.h"
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#include <command.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <signal.h>
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service_t *services = NULL;
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/* shutdown_openocd == 1: exit the main event loop, and quit the debugger */
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static int shutdown_openocd = 0;
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int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int add_connection(service_t *service, command_context_t *cmd_ctx)
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{
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unsigned int address_size;
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connection_t *c, **p;
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int retval;
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c = malloc(sizeof(connection_t));
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c->fd = -1;
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memset(&c->sin, 0, sizeof(c->sin));
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c->cmd_ctx = copy_command_context(cmd_ctx);
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c->service = service;
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c->input_pending = 0;
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c->priv = NULL;
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c->next = NULL;
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address_size = sizeof(c->sin);
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c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
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if ((retval = service->new_connection(c)) == ERROR_OK)
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{
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INFO("accepted '%s' connection from %i", service->name, c->sin.sin_port);
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}
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else
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{
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close_socket(c->fd);
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INFO("attempted '%s' connection rejected", service->name);
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free(c);
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}
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/* add to the end of linked list */
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for (p = &service->connections; *p; p = &(*p)->next);
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*p = c;
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service->max_connections--;
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return ERROR_OK;
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}
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int remove_connection(service_t *service, connection_t *connection)
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{
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connection_t **p = &service->connections;
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connection_t *c;
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/* find connection */
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while(c = *p)
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{
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if (c->fd == connection->fd)
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{
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service->connection_closed(c);
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close_socket(c->fd);
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command_done(c->cmd_ctx);
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/* delete connection */
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*p = c->next;
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free(c);
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service->max_connections++;
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break;
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}
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/* redirect p to next list pointer */
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p = &(*p)->next;
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}
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return ERROR_OK;
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}
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int add_service(char *name, enum connection_type type, unsigned short port, int max_connections, new_connection_handler_t new_connection_handler, input_handler_t input_handler, connection_closed_handler_t connection_closed_handler, void *priv)
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{
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service_t *c, **p;
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int so_reuseaddr_option = 1;
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c = malloc(sizeof(service_t));
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c->name = strdup(name);
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c->type = type;
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c->port = port;
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c->max_connections = max_connections;
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c->fd = -1;
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c->connections = NULL;
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c->new_connection = new_connection_handler;
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c->input = input_handler;
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c->connection_closed = connection_closed_handler;
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c->priv = priv;
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c->next = NULL;
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if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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ERROR("error creating socket: %s", strerror(errno));
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exit(-1);
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}
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setsockopt(c->fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
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socket_nonblock(c->fd);
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memset(&c->sin, 0, sizeof(c->sin));
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c->sin.sin_family = AF_INET;
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c->sin.sin_addr.s_addr = INADDR_ANY;
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c->sin.sin_port = htons(port);
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if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1)
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{
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ERROR("couldn't bind to socket: %s", strerror(errno));
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exit(-1);
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}
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if (listen(c->fd, 1) == -1)
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{
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ERROR("couldn't listen on socket: %s", strerror(errno));
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exit(-1);
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}
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/* add to the end of linked list */
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for (p = &services; *p; p = &(*p)->next);
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*p = c;
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return ERROR_OK;
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}
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int remove_service(unsigned short port)
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{
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service_t **p = services;
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service_t *c;
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/* find service */
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while(c = *p)
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{
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if (c->port == port)
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{
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if (c->name)
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free(c->name);
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if (c->priv)
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free(c->priv);
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/* delete service */
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*p = c->next;
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free(c);
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}
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/* redirect p to next list pointer */
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p = &(*p)->next;
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}
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return ERROR_OK;
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}
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int remove_services()
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{
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service_t *c = services;
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/* loop service */
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while(c)
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{
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service_t *next = c->next;
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if (c->name)
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free(c->name);
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if (c->priv)
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free(c->priv);
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/* delete service */
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free(c);
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/* remember the last service for unlinking */
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c = next;
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}
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services = NULL;
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return ERROR_OK;
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}
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int server_loop(command_context_t *command_context)
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{
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service_t *service;
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/* used in select() */
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fd_set read_fds;
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struct timeval tv;
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int fd_max;
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/* used in accept() */
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int retval;
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#ifndef _WIN32
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
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ERROR("couldn't set SIGPIPE to SIG_IGN");
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#endif
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/* do regular tasks after at most 10ms */
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tv.tv_sec = 0;
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tv.tv_usec = 10000;
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while(!shutdown_openocd)
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{
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/* monitor sockets for acitvity */
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fd_max = 0;
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FD_ZERO(&read_fds);
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/* add service and connection fds to read_fds */
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for (service = services; service; service = service->next)
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{
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if (service->fd != -1)
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{
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/* listen for new connections */
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FD_SET(service->fd, &read_fds);
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if (service->fd > fd_max)
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fd_max = service->fd;
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}
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if (service->connections)
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{
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connection_t *c;
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for (c = service->connections; c; c = c->next)
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{
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/* check for activity on the connection */
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FD_SET(c->fd, &read_fds);
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if (c->fd > fd_max)
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fd_max = c->fd;
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}
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}
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}
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#ifndef _WIN32
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/* add STDIN to read_fds */
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FD_SET(fileno(stdin), &read_fds);
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#endif
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retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
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if (retval == -1)
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{
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#ifdef _WIN32
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errno = WSAGetLastError();
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if (errno == WSAEINTR)
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FD_ZERO(&read_fds);
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else
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{
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ERROR("error during select: %s", strerror(errno));
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exit(-1);
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}
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#else
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if (errno == EINTR)
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/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "server.h"
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#include "log.h"
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#include "telnet_server.h"
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#include "target.h"
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#include <command.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <signal.h>
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service_t *services = NULL;
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/* shutdown_openocd == 1: exit the main event loop, and quit the debugger */
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static int shutdown_openocd = 0;
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int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int add_connection(service_t *service, command_context_t *cmd_ctx)
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{
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unsigned int address_size;
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connection_t *c, **p;
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int retval;
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c = malloc(sizeof(connection_t));
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c->fd = -1;
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memset(&c->sin, 0, sizeof(c->sin));
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c->cmd_ctx = copy_command_context(cmd_ctx);
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c->service = service;
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c->input_pending = 0;
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c->priv = NULL;
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c->next = NULL;
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address_size = sizeof(c->sin);
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c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
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if ((retval = service->new_connection(c)) == ERROR_OK)
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{
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INFO("accepted '%s' connection from %i", service->name, c->sin.sin_port);
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}
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else
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{
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close_socket(c->fd);
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INFO("attempted '%s' connection rejected", service->name);
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free(c);
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}
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/* add to the end of linked list */
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for (p = &service->connections; *p; p = &(*p)->next);
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*p = c;
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service->max_connections--;
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return ERROR_OK;
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}
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int remove_connection(service_t *service, connection_t *connection)
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{
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connection_t **p = &service->connections;
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connection_t *c;
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/* find connection */
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while(c = *p)
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{
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if (c->fd == connection->fd)
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{
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service->connection_closed(c);
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close_socket(c->fd);
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command_done(c->cmd_ctx);
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/* delete connection */
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*p = c->next;
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free(c);
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service->max_connections++;
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break;
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}
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/* redirect p to next list pointer */
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p = &(*p)->next;
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}
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return ERROR_OK;
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}
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int add_service(char *name, enum connection_type type, unsigned short port, int max_connections, new_connection_handler_t new_connection_handler, input_handler_t input_handler, connection_closed_handler_t connection_closed_handler, void *priv)
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{
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service_t *c, **p;
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int so_reuseaddr_option = 1;
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c = malloc(sizeof(service_t));
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c->name = strdup(name);
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c->type = type;
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c->port = port;
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c->max_connections = max_connections;
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c->fd = -1;
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c->connections = NULL;
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c->new_connection = new_connection_handler;
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c->input = input_handler;
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c->connection_closed = connection_closed_handler;
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c->priv = priv;
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c->next = NULL;
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if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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ERROR("error creating socket: %s", strerror(errno));
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exit(-1);
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}
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setsockopt(c->fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
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socket_nonblock(c->fd);
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memset(&c->sin, 0, sizeof(c->sin));
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c->sin.sin_family = AF_INET;
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c->sin.sin_addr.s_addr = INADDR_ANY;
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c->sin.sin_port = htons(port);
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if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1)
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{
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ERROR("couldn't bind to socket: %s", strerror(errno));
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exit(-1);
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}
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if (listen(c->fd, 1) == -1)
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{
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ERROR("couldn't listen on socket: %s", strerror(errno));
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exit(-1);
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}
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/* add to the end of linked list */
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for (p = &services; *p; p = &(*p)->next);
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*p = c;
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return ERROR_OK;
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}
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int remove_service(unsigned short port)
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{
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service_t **p = &services;
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service_t *c;
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/* find service */
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while(c = *p)
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{
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if (c->port == port)
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{
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if (c->name)
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free(c->name);
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if (c->priv)
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free(c->priv);
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/* delete service */
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*p = c->next;
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free(c);
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}
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/* redirect p to next list pointer */
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p = &(*p)->next;
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}
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return ERROR_OK;
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}
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int remove_services()
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{
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service_t *c = services;
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/* loop service */
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while(c)
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{
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service_t *next = c->next;
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if (c->name)
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free(c->name);
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if (c->priv)
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free(c->priv);
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/* delete service */
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free(c);
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/* remember the last service for unlinking */
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c = next;
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}
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services = NULL;
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return ERROR_OK;
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}
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int server_loop(command_context_t *command_context)
|
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{
|
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service_t *service;
|
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|
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/* used in select() */
|
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fd_set read_fds;
|
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struct timeval tv;
|
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int fd_max;
|
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|
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/* used in accept() */
|
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int retval;
|
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|
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#ifndef _WIN32
|
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
|
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ERROR("couldn't set SIGPIPE to SIG_IGN");
|
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#endif
|
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|
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/* do regular tasks after at most 10ms */
|
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tv.tv_sec = 0;
|
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tv.tv_usec = 10000;
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|
||||
while(!shutdown_openocd)
|
||||
{
|
||||
/* monitor sockets for acitvity */
|
||||
fd_max = 0;
|
||||
FD_ZERO(&read_fds);
|
||||
|
||||
/* add service and connection fds to read_fds */
|
||||
for (service = services; service; service = service->next)
|
||||
{
|
||||
if (service->fd != -1)
|
||||
{
|
||||
FD_ZERO(&read_fds);
|
||||
/* listen for new connections */
|
||||
FD_SET(service->fd, &read_fds);
|
||||
|
||||
if (service->fd > fd_max)
|
||||
fd_max = service->fd;
|
||||
}
|
||||
else
|
||||
{
|
||||
ERROR("error during select: %s", strerror(errno));
|
||||
exit(-1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
target_call_timer_callbacks();
|
||||
|
||||
if (retval == 0)
|
||||
{
|
||||
/* do regular tasks after at most 100ms */
|
||||
tv.tv_sec = 0;
|
||||
tv.tv_usec = 10000;
|
||||
FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
|
||||
}
|
||||
|
||||
for (service = services; service; service = service->next)
|
||||
{
|
||||
/* handle new connections on listeners */
|
||||
if ((service->fd != -1)
|
||||
&& (FD_ISSET(service->fd, &read_fds)))
|
||||
{
|
||||
if (service->max_connections > 0)
|
||||
|
||||
if (service->connections)
|
||||
{
|
||||
connection_t *c;
|
||||
|
||||
for (c = service->connections; c; c = c->next)
|
||||
{
|
||||
add_connection(service, command_context);
|
||||
}
|
||||
else
|
||||
{
|
||||
struct sockaddr_in sin;
|
||||
unsigned int address_size = sizeof(sin);
|
||||
int tmp_fd;
|
||||
tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
|
||||
close_socket(tmp_fd);
|
||||
INFO("rejected '%s' connection, no more connections allowed", service->name);
|
||||
}
|
||||
}
|
||||
|
||||
/* handle activity on connections */
|
||||
if (service->connections)
|
||||
{
|
||||
connection_t *c;
|
||||
|
||||
for (c = service->connections; c;)
|
||||
{
|
||||
if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending)
|
||||
{
|
||||
if (service->input(c) != ERROR_OK)
|
||||
{
|
||||
connection_t *next = c->next;
|
||||
remove_connection(service, c);
|
||||
INFO("dropped '%s' connection", service->name);
|
||||
c = next;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
c = c->next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef _WIN32
|
||||
if (FD_ISSET(fileno(stdin), &read_fds))
|
||||
{
|
||||
if (getc(stdin) == 'x')
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
}
|
||||
#else
|
||||
MSG msg;
|
||||
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
|
||||
{
|
||||
if (msg.message == WM_QUIT)
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
#ifdef _WIN32
|
||||
BOOL WINAPI ControlHandler(DWORD dwCtrlType)
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void sig_handler(int sig) {
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
int server_init()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
WORD wVersionRequested;
|
||||
WSADATA wsaData;
|
||||
|
||||
wVersionRequested = MAKEWORD( 2, 2 );
|
||||
|
||||
if (WSAStartup(wVersionRequested, &wsaData) != 0)
|
||||
{
|
||||
ERROR("Failed to Open Winsock");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
SetConsoleCtrlHandler( ControlHandler, TRUE );
|
||||
|
||||
signal(SIGINT, sig_handler);
|
||||
signal(SIGTERM, sig_handler);
|
||||
signal(SIGBREAK, sig_handler);
|
||||
signal(SIGABRT, sig_handler);
|
||||
#endif
|
||||
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int server_quit()
|
||||
{
|
||||
remove_services();
|
||||
|
||||
#ifdef _WIN32
|
||||
WSACleanup();
|
||||
SetConsoleCtrlHandler( ControlHandler, FALSE );
|
||||
#endif
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int server_register_commands(command_context_t *context)
|
||||
{
|
||||
register_command(context, NULL, "shutdown", handle_shutdown_command,
|
||||
COMMAND_ANY, "shut the server down");
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
/* tell the server we want to shut down */
|
||||
int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
|
||||
return ERROR_COMMAND_CLOSE_CONNECTION;
|
||||
}
|
||||
|
||||
|
||||
/* check for activity on the connection */
|
||||
FD_SET(c->fd, &read_fds);
|
||||
if (c->fd > fd_max)
|
||||
fd_max = c->fd;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef _WIN32
|
||||
/* add STDIN to read_fds */
|
||||
FD_SET(fileno(stdin), &read_fds);
|
||||
#endif
|
||||
|
||||
retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
|
||||
|
||||
if (retval == -1)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
|
||||
errno = WSAGetLastError();
|
||||
|
||||
if (errno == WSAEINTR)
|
||||
FD_ZERO(&read_fds);
|
||||
else
|
||||
{
|
||||
ERROR("error during select: %s", strerror(errno));
|
||||
exit(-1);
|
||||
}
|
||||
#else
|
||||
|
||||
if (errno == EINTR)
|
||||
{
|
||||
FD_ZERO(&read_fds);
|
||||
}
|
||||
else
|
||||
{
|
||||
ERROR("error during select: %s", strerror(errno));
|
||||
exit(-1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
target_call_timer_callbacks();
|
||||
|
||||
if (retval == 0)
|
||||
{
|
||||
/* do regular tasks after at most 100ms */
|
||||
tv.tv_sec = 0;
|
||||
tv.tv_usec = 10000;
|
||||
FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
|
||||
}
|
||||
|
||||
for (service = services; service; service = service->next)
|
||||
{
|
||||
/* handle new connections on listeners */
|
||||
if ((service->fd != -1)
|
||||
&& (FD_ISSET(service->fd, &read_fds)))
|
||||
{
|
||||
if (service->max_connections > 0)
|
||||
{
|
||||
add_connection(service, command_context);
|
||||
}
|
||||
else
|
||||
{
|
||||
struct sockaddr_in sin;
|
||||
unsigned int address_size = sizeof(sin);
|
||||
int tmp_fd;
|
||||
tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
|
||||
close_socket(tmp_fd);
|
||||
INFO("rejected '%s' connection, no more connections allowed", service->name);
|
||||
}
|
||||
}
|
||||
|
||||
/* handle activity on connections */
|
||||
if (service->connections)
|
||||
{
|
||||
connection_t *c;
|
||||
|
||||
for (c = service->connections; c;)
|
||||
{
|
||||
if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending)
|
||||
{
|
||||
if (service->input(c) != ERROR_OK)
|
||||
{
|
||||
connection_t *next = c->next;
|
||||
remove_connection(service, c);
|
||||
INFO("dropped '%s' connection", service->name);
|
||||
c = next;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
c = c->next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef _WIN32
|
||||
if (FD_ISSET(fileno(stdin), &read_fds))
|
||||
{
|
||||
if (getc(stdin) == 'x')
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
}
|
||||
#else
|
||||
MSG msg;
|
||||
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
|
||||
{
|
||||
if (msg.message == WM_QUIT)
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
#ifdef _WIN32
|
||||
BOOL WINAPI ControlHandler(DWORD dwCtrlType)
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void sig_handler(int sig) {
|
||||
shutdown_openocd = 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
int server_init()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
WORD wVersionRequested;
|
||||
WSADATA wsaData;
|
||||
|
||||
wVersionRequested = MAKEWORD( 2, 2 );
|
||||
|
||||
if (WSAStartup(wVersionRequested, &wsaData) != 0)
|
||||
{
|
||||
ERROR("Failed to Open Winsock");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
SetConsoleCtrlHandler( ControlHandler, TRUE );
|
||||
|
||||
signal(SIGINT, sig_handler);
|
||||
signal(SIGTERM, sig_handler);
|
||||
signal(SIGBREAK, sig_handler);
|
||||
signal(SIGABRT, sig_handler);
|
||||
#endif
|
||||
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int server_quit()
|
||||
{
|
||||
remove_services();
|
||||
|
||||
#ifdef _WIN32
|
||||
WSACleanup();
|
||||
SetConsoleCtrlHandler( ControlHandler, FALSE );
|
||||
#endif
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int server_register_commands(command_context_t *context)
|
||||
{
|
||||
register_command(context, NULL, "shutdown", handle_shutdown_command,
|
||||
COMMAND_ANY, "shut the server down");
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
/* tell the server we want to shut down */
|
||||
int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||
{
|
||||
shutdown_openocd = 1;
|
||||
|
||||
return ERROR_COMMAND_CLOSE_CONNECTION;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue